(19)

(11)

EP 4 210 852 A1

(12)

(43) Date of publication: 19.07.2023 Bulletin 2023/29 (21) Application number: 21791524.8 (22) Date of filing: 10.09.2021

(51) International Patent Classification (IPC):  B01D 15/22(2006.01) B01D 63/08(2006.01) B01D 69/02(2006.01) B01J 20/28(2006.01) G01N 30/60(2006.01) B01D 15/38(2006.01) B01D 63/10(2006.01) B01D 71/26(2006.01) B01J 20/286(2006.01) (52) Cooperative Patent Classification (CPC): B01D 15/22; B01D 15/3809; B01D 63/082; B01D 63/10; G01N 30/60; B01D 69/144; B01D 71/36; B01D 71/027; B01D 71/028; B01D 71/024; B01D 2315/08; B01D 2317/04; B01D 2313/105; B01D 2313/125; G01N 2030/8831 (86) International application number: PCT/US2021/049970 (87) International publication number: WO 2022/056332 (17.03.2022 Gazette 2022/11)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 11.09.2020 US 202063077523 P 11.03.2021 US 202163159621 P (71) Applicant: W. L. Gore & Associates, Inc. Newark, DE 19711 (US)	(72) Inventors: CLINGER, Jared M. Newark, Delaware 19711 (US) KIM, EuiJun Newark, Delaware 19711 (US) MABE, Kevin J. Newark, Delaware 19711 (US) MCMANAWAY, Michael C. Newark, Delaware 19711 (US) VAN VOORHEES, Eric Newark, Delaware 19711 (US) (74) Representative: HGF  HGF Limited 1 City Walk Leeds LS11 9DX Leeds LS11 9DX (GB)